PNEUMATIC TRANSPORTATION DEVICE FOR POWDER

摘要

PROBLEM TO BE SOLVED: To provide a pneumatic transportation device for powder in which a seat ring slide-contacting with a disc of an inlet valve used for the pneumatic transportation device does not bite the powder to be damaged. SOLUTION: In the pneumatic transportation device 1 for the powder, the inlet valve 10 is arranged between a storage tank 2 and a transporter 3 and the powder is transported in a batch system. A compression air nozzle 20 for blowing down the powder deposited on the seat ring 11 of the inlet valve 10 is arranged on an inner surface 5a of an upstream transportation pipe of the inlet valve 10. COPYRIGHT: (C)2007,JPO&INPIT